Phosphoric acid, H3PO4, is a triprotic acid with the following acid-ionization constants at 25°C: Ka1 = 7.5 x 10-3 Ka2 = 6.2 x 10-8 Ka3 = 4.8 x 10-13 What is the value of Kb for HPO42–? Group of answer choices 1.6 x 10-7 2.2 x 10-8 2.1 x 10-2 4.6 x 10-10 1.3 x 10-12

Q: Citric acid, which is present in citrus fruits, is a triprotic acid. (a) Calculate the pH of a 0.040…

A: Citric acid- It is weak organic acid. Dissociate in water as,

Q: Calculate the pH of the following acid solutions at 25 °C: (a) 1.0 x 10-4 M H3BO3(aq) (boric acid…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Given the reaction: CO32-+ H2PO4--HCO3+ HPO4², identify the conjugate acid in the reaction co3- HCO3…

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Q: The pH of a 0.54M solution of boric acid (HBO3) is measured to be 4.75. Calculate the acid…

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Q: The weak acid, HA, has a Ka of 3.00 x 10-8. What is the Kb of its conjugate base, A"? 1.39x10-12 O…

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Q: The

A: Phosphoric acid is a polyprotic acid. It's last dissociation so slow so that's why we can not…

Q: Which of the following represents the reaction of the weak base, CH3CH2CO0", in water? CH3CH2COO +…

A: Reaction of weak base with water.,

Q: The weak base (CH3)2NH has a Kb = 5.9 x 10−4 at 25 °C. a) Write out the chemical equation for the…

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Q: Determine the concentration (M) of H3O+ in a 0.411 M solution of a triprotic weak acid, H3A, given…

A: Given,  The concentration (M) of H3O+ in a 0.411 M solution of a triprotic weak acid, H3A, the acid…

Q: 13. What is the value of [H3O+] in a solution where pOH is 5.38? A. 4.17 x 10-6 B. 2.60 x 10-10 C.…

A: SOLUTION: Step 1: The concentration of [OH-] is calculated as follows: pOH = 5.38. pOH= -log [OH-]…

Q: Vhat is the concentration of X in a 0.150 M solution of the diprotic acid H,X? For H,X K, = 4.5 x106…

A: Which one of the following is correct answer

Q: The concentration of carbonic acid, H2CO3, in a typical carbonated drink is approximately 7.0 x 10-2…

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Q: Determine the concentration (M) of H3O+ in a 0.589 M solution of a triprotic weak acid, H3A, given…

A: Given,  the concentration (M) of H3O+ in a 0.589 M solution of a triprotic weak acid, H3A is:

Q: The ionization of the first proton from H2 SeO4 is complete (H2 SeO4 is a strong acid); the…

A: H2SeO4 dissociates as follows: Since ionization of first proton is complete, thus the concentration…

Q: What is the ionization constant at 25 °C for the weak acid (CH3)2 NH2 +, the conjugate acid of the…

A: The weak base given is (CH3)2NH. Conjugate acid of any weak base is produced when the base accepts a…

Q: 3- The concentration of a solution containing 5 ng of KCI in 200 mg water is : (0.025 ppt, 0.025…

A: 3) We have given Mass of KCl = 5 ng = 5×10-9 g Mass of water = 200 mg = 200×10-3 g   Therefore…

Q: The acid-dissociation constant, Ka, for gallic acid is 4.57x10-3. What is the base-dissociation…

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Q: Which of the following represents the relative fraction of species as a function of pH for the…

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Q: Calculate the pH and percent ionization of 0.150 M ascorbic acid K31 = 7.9x 10-5 ascorbic acid,…

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Q: What is the ionization constant at 25 C for the weak acid (CH3)2NH2+, the conjugate acid of the weak…

A: The given solution contains a weak acid and a weak base.

Q: Ka for nitrouse acid ,HNO2 is 4.5 x10^-4.what is the value of Kb for the nitrite ion NO2^-

A: Conjugate acid-base pair is a pair which differ by only one proton.

Q: Determine the concentration (M) of H3O+ in a 0.780 M solution of a triprotic weak acid, H3A, given…

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Q: The base protonation constant K, of lidocaine (C4H, NONH) is 1.15 x 10 °. Calculate the pH of a 0.55…

A: Given, kb = 1.15 * 10-8  Concentration of solution = 0.55 M Temperature = 25◦c

Q: Calculate the H3O+ concentration (M) of a 0.313 solution of a triprotic acid given the acid…

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Q: 7, Calculate the [H3O+] of a 0.110 M acid solution; Ka=5.45 x 10-7 Group of answer choices 4.55 x…

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Q: Reacting GeO2 with H2O forms the tetraprotic (four H+ ions) acid, H4GeO4.  write down the chemical…

A: Please find below the dissociation reaction of H4GeO4  1) H4GeO4 -----> H3GeO4-  + H+ 2) H3GeO4-…

Q: The acid dissociation K of benzoic acid (CH-CO₂H) is 6.3 × 10-5. Calculate the pH of a 1.2 x 10 M…

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Q: Propionic acid, which can be symbolized HC2H5CO2, is weakly acidic with a Ka in water of 1.3 x 10–5…

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Q: Malic acid (H2C4H4O5) derives its name from the genus name for apples (Malus), from which it was…

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Q: Which acid ionization constant would indicate the weakest acid? Group of answer choices 3.5 x 10–4…

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Q: SORTABLE LIST Que tion 12 Arrange these acids from weakest to strongest based on their K. value at…

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Q: From the equilibrium concentrations given, calculate Ka for each of the weak acids and Kb for each…

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Q: Phosphoric acid, H3PO4, is a triprotic acid, for which Ka1 = 7.2 × 10-3, Ka2 = 6.3 × 10-8 and Ka3 =…

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Q: What is the concentration of X in a 0.150 M solution of the diprotic acid H,X? For H,X , K = 4.5 x10…

A: Given : Concentration of H2X = 0.150 M Ka1 of H2X = 4.5 X 10-6  And Ka2 of H2X = 1.2 X 10-11  The 2…

Q: acid, Ka = 7. The value of Ka for acetylsalicylic acid (aspirin) is 3.00x10-4. What is the value of…

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Q: The acid-dissociation constants of phosphoric acid (H2PO3) are Kal = 7.5 × 10-3, Ka2 = 6.2 × 10-8,…

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Q: the Kb of a weak base is 4.7E-9, what is the Ka of its conjugate acid? Do not include any units with…

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Q: 5. What is the approximate ratio of [A]/[HA]ions in a 0.10 M aqueous solution of H2A? Assume that…

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Q: -9 The acid dissociation constant K, of hypobromous acid (HBRO) is 2.3 x 10 Calculate the pH of a…

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Q: The acid-dissociation constant, Ka, for maleic acid, H2C4H¼Os , is 7.56x10-7. What is the…

A: Ka of maleic acid = 7.56× 10-7

Q: A 0.785M solution of the weak acid, hypoiodous acid, HOI, has a Ka of 2.32x10-11.  What is the…

A: Given, concentration of HIO = 0.785(M) The equilibrium of HIO in aqueous solution is,  HIO(aq)…

Q: Malic acid (H 0) derives its name from the genus name for apples (Malus), from which it was first…

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Q: What is the ionization constant at 25 °C for the weak acid CH3 NH3 +, the conjugate acid of the weak…

A: The equilibrium constant for dissociation of a weak acid is called the ionization constant of a weak…

Q: or sulfurous acid, H2SO3, the two dissociation constants are: KI=1.25x10-2 and KII= 5.6x10-8.…

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Q: Carbonic acid (H2CO3) is a diprotic weak acid that undergoes the following dissociation reactions:…

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Q: Arrange the following bases in order of decreasing strength: Caffeine (Kb = 4.10 x 10-4), Codeine…

A: basic strength directly proportional to kb.  so higher kb then higher strength.

Q: 23. Consider a generic polyprotic acid H2YO3. What is an appropriate combination of acid…

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Q: What is the pH of a grapefruit that contains 0.007 M citric acid solution (CgHgO7)? CSH307(aq) +…

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Q: whats the concentration (M) of the fully deprotonated anion for a 0.058 M solution of a triprotic…

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Q: Calculate the pH and % dissociation of a 0.100 M solution of propanoic acid (HC3H5O2). K,= 1.3x10-5…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.